Product Description
Fix injector tip leaks fast with the MAHLE GS33555 Fuel Injection Nozzle O-Ring for the 2008–2010 Ford 6.4L Power Stroke (VIN R). This OE-quality seal restores a tight, heat-resistant seal at the nozzle so you can eliminate fuel seepage, rough idle, hard starts, and pressure loss. Built to Mahle standards for durable, long-service reliability.
Fitment
- 2008, 2009, 2010 Ford F-250 / F-350 / F-450 / F-550 Super Duty — 6.4L Power Stroke (VIN R)
Cross-Reference / Related Mahle Items (working links)
- Mahle GS33688 Fuel Injector Seal Kit (08–10 6.4L): GS33688
- Mahle G32614 EGR Valve O-Ring (08–10 6.4L): G32614
- Mahle GS33565 Oil Cooler Mounting Kit (08–10 6.4L): GS33565
- Mahle 42097.01 Piston Ring Set (+0.010, 08–10 6.4L): 42097.01
FAQ
Will this fit my 6.4L?
Yes—this nozzle O-ring fits 2008–2010 Super Duty trucks equipped with the 6.4L Power Stroke (VIN R).
What symptoms point to a bad nozzle O-ring?
Fuel odor, wetness around injector tips, hard starting, rough idle, and loss of rail pressure under load.
Is it OE-equivalent?
Yes—Mahle seals meet or exceed OEM specs for heat and fuel resistance.
Any install tips?
Follow Ford service procedures; keep parts surgically clean and lube the new O-ring to prevent nicks during install.
Specifications for Mahle GS33555
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | GS33555 |
| UPC | 27067797605 |
| GTIN | 27067797605 |
| Engine Compatibility | 2008–2010 Ford 6.4L Power Stroke (VIN R) |
| Package Dimensions (WxHxD) | 5.00" × 6.00" × 8.00" |
| Shipping | Calculated at Checkout |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |
